WO2012109234A3 - System and method for leg retention on hybrid bits - Google Patents

System and method for leg retention on hybrid bits Download PDF

Info

Publication number
WO2012109234A3
WO2012109234A3 PCT/US2012/024134 US2012024134W WO2012109234A3 WO 2012109234 A3 WO2012109234 A3 WO 2012109234A3 US 2012024134 W US2012024134 W US 2012024134W WO 2012109234 A3 WO2012109234 A3 WO 2012109234A3
Authority
WO
WIPO (PCT)
Prior art keywords
wedge
leg
slot
obtuse
hybrid bits
Prior art date
Application number
PCT/US2012/024134
Other languages
French (fr)
Other versions
WO2012109234A2 (en
Inventor
Gregory L. Ricks
Floyd C. Felderhoff
Rudolf Carl Pessier
Original Assignee
Baker Hughes Incorporated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Priority to RU2013141472/03A priority Critical patent/RU2601645C2/en
Priority to EP12704599.5A priority patent/EP2673451B1/en
Priority to BR112013020524-5A priority patent/BR112013020524B1/en
Priority to SG2013059910A priority patent/SG192650A1/en
Priority to PL12704599T priority patent/PL2673451T3/en
Priority to CA2826685A priority patent/CA2826685C/en
Priority to CN201280013361.9A priority patent/CN103443388B/en
Priority to MX2013009044A priority patent/MX337212B/en
Publication of WO2012109234A2 publication Critical patent/WO2012109234A2/en
Publication of WO2012109234A3 publication Critical patent/WO2012109234A3/en
Priority to ZA2013/06003A priority patent/ZA201306003B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

Abstract

An earth boring drill bit comprising: one or more legs; a bit body having a blade and a slot for receiving the leg; and one or more wedge between the leg and the slot fixing the leg within the slot. The slot may have two parallel sidewalls with one of the sidewalls forming an acute angle and the other forming an obtuse angle. The wedge may be secured immediately next to the obtuse angled sidewall. The wedge may have two obtuse angled sides. One or more bolts through each wedge may secure both the wedge and the leg to the bit body. In a preferred embodiment, an obtuse angled sidewall of the wedge is preferably secured immediately next to an acute angled side of the leg.
PCT/US2012/024134 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits WO2012109234A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
RU2013141472/03A RU2601645C2 (en) 2011-02-11 2012-02-07 System and method for fixing tabs on hybrid bits
EP12704599.5A EP2673451B1 (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits
BR112013020524-5A BR112013020524B1 (en) 2011-02-11 2012-02-07 HYBRID GROUND DRILLING DRILL AND HYBRID GROUND DRILLING DRILL
SG2013059910A SG192650A1 (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits
PL12704599T PL2673451T3 (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits
CA2826685A CA2826685C (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits
CN201280013361.9A CN103443388B (en) 2011-02-11 2012-02-07 For leg being remained on the system and method on hybrid bit
MX2013009044A MX337212B (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits.
ZA2013/06003A ZA201306003B (en) 2011-02-11 2013-08-08 System and method for leg retention on hybrid bits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161441907P 2011-02-11 2011-02-11
US61/441,907 2011-02-11

Publications (2)

Publication Number Publication Date
WO2012109234A2 WO2012109234A2 (en) 2012-08-16
WO2012109234A3 true WO2012109234A3 (en) 2013-04-25

Family

ID=45688261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/024134 WO2012109234A2 (en) 2011-02-11 2012-02-07 System and method for leg retention on hybrid bits

Country Status (11)

Country Link
US (3) US20120205160A1 (en)
EP (1) EP2673451B1 (en)
CN (1) CN103443388B (en)
BR (1) BR112013020524B1 (en)
CA (1) CA2826685C (en)
MX (1) MX337212B (en)
PL (1) PL2673451T3 (en)
RU (1) RU2601645C2 (en)
SG (1) SG192650A1 (en)
WO (1) WO2012109234A2 (en)
ZA (1) ZA201306003B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US8459378B2 (en) 2009-05-13 2013-06-11 Baker Hughes Incorporated Hybrid drill bit
CA2773897A1 (en) 2009-09-16 2011-03-24 Baker Hughes Incorporated External, divorced pdc bearing assemblies for hybrid drill bits
CN105507817B (en) 2010-06-29 2018-05-22 贝克休斯公司 The hybrid bit of old slot structure is followed with anti-drill bit
RU2601645C2 (en) 2011-02-11 2016-11-10 Бейкер Хьюз Инкорпорейтед System and method for fixing tabs on hybrid bits
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
EP3159475B1 (en) 2011-11-15 2019-03-27 Baker Hughes, a GE company, LLC Hybrid drill bits having increased drilling efficiency
CN203248077U (en) * 2013-01-31 2013-10-23 郑宗杰 Hard rock coring bit assembly
CA2937946C (en) * 2014-01-31 2019-04-30 Baker Hughes Incorporated Hybrid drill bit having increased service life
SG11201609528QA (en) * 2014-05-23 2016-12-29 Baker Hughes Inc Hybrid bit with mechanically attached rolling cutter assembly
EP3146137B1 (en) * 2014-05-23 2019-09-11 Baker Hughes, a GE company, LLC Hybrid bit with mechanically attached rolling cutter assembly
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
US10156099B2 (en) * 2016-01-13 2018-12-18 Baker Hughes Incorporated Downhole tools including fastening assemblies, and related methods
US10801266B2 (en) * 2018-05-18 2020-10-13 Baker Hughes, A Ge Company, Llc Earth-boring tools having fixed blades and rotatable cutting structures and related methods
CN108625789B (en) * 2018-05-22 2023-06-09 西南石油大学 Composite drill bit of split roller cone and PDC
WO2020176347A1 (en) * 2019-02-25 2020-09-03 Century Products Inc. Tapered joint for securing cone arm in hole opener
US11732531B2 (en) 2021-06-04 2023-08-22 Baker Hughes Oilfield Operations Llc Modular earth boring tools having fixed blades and removable blade assemblies and related methods

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